A 56-year-old male was brought into the Emergency Department (ED), he was comatose with hypothermia, hypotonia, hyporeflexia, hypotension, conjunctival injection, slow respiration, acidotic breathing, In ED he was administered Thiamine 100mg IV and get better. What is your diagnosis?

What is the role of Thiamine in this case? Reference: Faculty of medicine blog * This case is from Docplexus Editorial Team for educative purpose only.